FVXX20 KNES 161308 VA ADVISORY DTG: 20201216/1308Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2020/1219 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS VA DTG: 16/1306Z OBS VA CLD: SFC/FL200 S0149 W07844 - S0158 W07820 - S0202 W07847 - S0149 W07844 MOV W 5KT FCST VA CLD +6HR: 16/1900Z SFC/FL200 S0146 W07848 - S0158 W07820 - S0200 W07851 - S0146 W07848 FCST VA CLD +12HR: 17/0100Z NO VA EXP FCST VA CLD +18HR: 17/0700Z NO VA EXP RMK: CONT VA EMS OBS MOV W IN STLT IMAGERY VA FCST TO CONT W MOV THRU T+6HRS BEFORE DISP W OF SUMMIT. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20201216/1915Z